Top Definition
A sexual act in which the gratification of a male is heightened by forcively causing a female to gag or choke on his erect penis. Usually her gagging being the focus of his arousal.

A fairly clean umbrella term referring to irrumatio, throat fucking, face fucking, skull fucking or sometimes just regular deep throat.
I demanded gag sex from my girlfriend last night, she gags quite nicely on cock.

You're probably fantasizing about gag sex with the girl in those Bustedtees adds as you are reading this!
by Notcon55 January 28, 2009

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